000 00253nam a2200097Ia 4500
008 230508s2008 xx 000 0 und d
041 _aeng
100 _aKAHATE ATUL
245 _aCRYPTOGRAPHY AND NETWORK SECURITY
260 _bTATA MCGRAW HILL
_c2008
_g2008
999 _c317875
_d317875